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Old Oct 10, 2012, 04:42 PM   #51
kennyap
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Location: Cayman Islands
Quote:
Originally Posted by rabidz7 View Post
I would like to see the details about the upgrade please send them to me.
rabidz7: I'm just quoting what I already wrote earlier in this thread (see below). I suggest you read the whole thread or you might miss something important. Here you go:


Ok, here are more details regarding the Upgrade:

2011 iMac 27” Upgrade

Starting Config:
Core i5-2500S (2.7ghz ) Processor
Radeon HD 6770 (512mb)
16gb 1333mhz RAM

Upgraded Config:
Core i7-2700K (3.5ghz ) Processor
Radeon HD 6970 (2gb)
32gb 1333mhz RAM

Component Purchases:
1. RAM Memory from www.macsales.com : OWC1333DDR3S32S, 32.0GB (8GB x 4) 317.99 (kit)
2. Processor from www.tigerdirect.com : Intel Core i7-2700K item#: I69-2700K $304
3. Graphics Card from www.dvwarehouse.com : AMD Radeon HD 6970M 2GB for iMac 27" Mid 2011 661-5969 - NEW (661-5969) $588

Materials I used:

1) www.macsales.com
OWC Internal SSD DIY Kit
For All Apple 27" iMac 2011 Models
SKU: OWCDIYIM27SSD11 $44.99
Note: This Kit includes all tools necessary besides the medium-head Phillips screwdriver for taking off the CPU & GPU heatsinks, and the small Phillips for changing out the RAM.

2) www.tigerdirect.com
-Cooler Master Thermal Compound Item#: C283-1147 $7.99
(This is for putting on the new CPU before you re-attach the Heatsink)
-StarTech.com ESD Anti Static Wrist Strap Item#: YYI1-CH4525 $9.89

3) Soft Packing Material (foam-like sheets) that I got from an HP Workstation computer box. I used this to place the motherboard and components on.

Videos / Walkthroughs
1. OWC SSD Drive install to 2011 iMac Video Walkthrough. http://www.youtube.com/watch?v=03Lg4IgJd04
The above video took me to where I had a few wires left to disconnect before I could remove the Motherboard:
Several wires in the lower right and lower left corners, and drive connectors & main power connector at top, backside (you have to pull the MB slightly toward you to reach in and disconnect them). After this I could swivel and ease the MB out completely to get to the CPU & GPU.

2. TECH REPUBLIC 2011 iMac Teardown
http://www.techrepublic.com/photos/c...237041?seq=138
this Teardown contains 138 photos of the 2011 iMac disassembly. It gave me a peek at the CPU and GPU so I knew what to expect before getting there. Both Heaksinks need to be removed; CPU needs to then be replaced (use Thermal Grease on new CPU before replacing Heatsink). GPU is one piece total and so is more simple (no Thermal Grease required). Take time disassembling so you know how to put the new ones on.

NOTE: the Heatsinks on both CPU & GPU have the same medium-head Phillips screws holding them on (4 on each Heatsink). They are easy enough to remove, but to get the Heatsinks back on, you have to hold your finger on the little screw on the other side of MB or else the big screw will just keep turning (not tighten). In other words, each of these big Phillips screws tighten by somehow screwing into a smaller screw, the head of which is on the opposite side of MB.

TIP: when everything is done and you’re putting the MB back in, before you put the MB screws in, look at the RAM ports at bottom and make sure they are lined up. Mine weren’t and I had to take my screen back off, unscrew and realign the MB to get it right.

TIP: Lastly, make sure all wires are connected to motherboard before replacing screen. All wire connectors in same area are different sizes, so there's no danger of connecting a wire incorrectly. All wire connectors should be occupied with a wire, except for one connector at middle, top facing the iMac screen. Sorry I didn't note the connector's label, but I'm sure this connector was unoccupied from the start.

That's it.
__________________
iMac 27" 3.4ghz 680mx 840 Pro SSD 512gb
2012 13" rMBP | 2011 27" Imac 3.5ghz 2gb vram
2011 MBP 17" | 2011 MBA 11" & 13"
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Old Oct 11, 2012, 12:47 AM   #52
mrsavage1
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Quote:
Originally Posted by kennyap View Post
rabidz7: I'm just quoting what I already wrote earlier in this thread (see below). I suggest you read the whole thread or you might miss something important. Here you go:


Ok, here are more details regarding the Upgrade:

2011 iMac 27” Upgrade

Starting Config:
Core i5-2500S (2.7ghz ) Processor
Radeon HD 6770 (512mb)
16gb 1333mhz RAM

Upgraded Config:
Core i7-2700K (3.5ghz ) Processor
Radeon HD 6970 (2gb)
32gb 1333mhz RAM

Component Purchases:
1. RAM Memory from www.macsales.com : OWC1333DDR3S32S, 32.0GB (8GB x 4) 317.99 (kit)
2. Processor from www.tigerdirect.com : Intel Core i7-2700K item#: I69-2700K $304
3. Graphics Card from www.dvwarehouse.com : AMD Radeon HD 6970M 2GB for iMac 27" Mid 2011 661-5969 - NEW (661-5969) $588

Materials I used:

1) www.macsales.com
OWC Internal SSD DIY Kit
For All Apple 27" iMac 2011 Models
SKU: OWCDIYIM27SSD11 $44.99
Note: This Kit includes all tools necessary besides the medium-head Phillips screwdriver for taking off the CPU & GPU heatsinks, and the small Phillips for changing out the RAM.

2) www.tigerdirect.com
-Cooler Master Thermal Compound Item#: C283-1147 $7.99
(This is for putting on the new CPU before you re-attach the Heatsink)
-StarTech.com ESD Anti Static Wrist Strap Item#: YYI1-CH4525 $9.89

3) Soft Packing Material (foam-like sheets) that I got from an HP Workstation computer box. I used this to place the motherboard and components on.

Videos / Walkthroughs
1. OWC SSD Drive install to 2011 iMac Video Walkthrough. http://www.youtube.com/watch?v=03Lg4IgJd04
The above video took me to where I had a few wires left to disconnect before I could remove the Motherboard:
Several wires in the lower right and lower left corners, and drive connectors & main power connector at top, backside (you have to pull the MB slightly toward you to reach in and disconnect them). After this I could swivel and ease the MB out completely to get to the CPU & GPU.

2. TECH REPUBLIC 2011 iMac Teardown
http://www.techrepublic.com/photos/c...237041?seq=138
this Teardown contains 138 photos of the 2011 iMac disassembly. It gave me a peek at the CPU and GPU so I knew what to expect before getting there. Both Heaksinks need to be removed; CPU needs to then be replaced (use Thermal Grease on new CPU before replacing Heatsink). GPU is one piece total and so is more simple (no Thermal Grease required). Take time disassembling so you know how to put the new ones on.

NOTE: the Heatsinks on both CPU & GPU have the same medium-head Phillips screws holding them on (4 on each Heatsink). They are easy enough to remove, but to get the Heatsinks back on, you have to hold your finger on the little screw on the other side of MB or else the big screw will just keep turning (not tighten). In other words, each of these big Phillips screws tighten by somehow screwing into a smaller screw, the head of which is on the opposite side of MB.

TIP: when everything is done and you’re putting the MB back in, before you put the MB screws in, look at the RAM ports at bottom and make sure they are lined up. Mine weren’t and I had to take my screen back off, unscrew and realign the MB to get it right.

TIP: Lastly, make sure all wires are connected to motherboard before replacing screen. All wire connectors in same area are different sizes, so there's no danger of connecting a wire incorrectly. All wire connectors should be occupied with a wire, except for one connector at middle, top facing the iMac screen. Sorry I didn't note the connector's label, but I'm sure this connector was unoccupied from the start.

That's it.
I thought many people were reporting problems with intel k CPU's on ml?
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Old Oct 11, 2012, 12:04 PM   #53
robster2644
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Its it possible to do the same with a 21.5" Mid 2011. I have already added an extra SSD. Looking for better graphics and CPU
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Old Oct 13, 2012, 09:56 AM   #54
kennyap
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Quote:
Originally Posted by mrsavage1 View Post
I thought many people were reporting problems with intel k CPU's on ml?
It depends on what intel generation, but it's confirmed ML can't be installed problem-free. My CPU works like a charm otherwise, but I'm stuck with Lion until something changes.
__________________
iMac 27" 3.4ghz 680mx 840 Pro SSD 512gb
2012 13" rMBP | 2011 27" Imac 3.5ghz 2gb vram
2011 MBP 17" | 2011 MBA 11" & 13"
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Old Nov 2, 2012, 03:42 AM   #55
Palad1
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Hi there

My 2009 iMac suffered from a fried GPU... so I tried upgrading from a radeon hd4850 to a radeon hd 6770 and I sadly have to report that I get a black screen (with chime) at startup.

I might have damaged the LED sync ribbon cable, as a connector seems worn out, I will order another one and give it a go, but so far, I have to report failure

Anybody here successfully ran an iMac headless (with no GPU) ?
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Old Nov 30, 2012, 11:06 AM   #56
just1ed
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Possible to install ML on unsupported hardware

Quote:
Originally Posted by kennyap View Post
It depends on what intel generation, but it's confirmed ML can't be installed problem-free. My CPU works like a charm otherwise, but I'm stuck with Lion until something changes.
It is possible. Just do a simple google. Instructions are:

http://www.jabbawok.net/?p=47

And

http://forums.macrumors.com/showthread.php?t=1404548
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Old Feb 12, 2013, 03:57 AM   #57
zenonox
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I can report successful replacement with i7 2600 in 3 iMacs 27" mid-2011 + installation of Samsung 830 series SSD's.

I experience an overall snappier performance due to the SSD; processor intensive tasks like video conversion and photo editing are also significantly faster.

No Mountain Lion issues at all.
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Old Feb 12, 2013, 08:58 AM   #58
kennyap
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Quote:
Originally Posted by just1ed View Post
It is possible. Just do a simple google. Instructions are:

http://www.jabbawok.net/?p=47

And

http://forums.macrumors.com/showthread.php?t=1404548

Thanks for posting these. I looked at these links and decided I'll leave well enough alone and stick with Lion on my machine. The first link is a procedure that was compiled before the official release of ML, and the second link describes numerous issues that remain after installation (no sound, icloud, etc).

----------

Quote:
Originally Posted by zenonox View Post
I can report successful replacement with i7 2600 in 3 iMacs 27" mid-2011 + installation of Samsung 830 series SSD's.

I experience an overall snappier performance due to the SSD; processor intensive tasks like video conversion and photo editing are also significantly faster.

No Mountain Lion issues at all.
Mountian Lion issues are only with the 2700k processor. The 2600 was offered by apple in the 2011 iMac lineup and so should have no issues at all.
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2012 13" rMBP | 2011 27" Imac 3.5ghz 2gb vram
2011 MBP 17" | 2011 MBA 11" & 13"
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Old Mar 7, 2013, 01:13 AM   #59
cheezeit
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Man I was about to take my friends i7-2600k but ill hold back and hope for a good deal on gpu
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Old Mar 7, 2013, 01:40 AM   #60
phoenixsan
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Post Wow....!

Seems to me what if all your upgrades work flawlesly you have saved a big chunk of money.....

Kudos and well done.....!


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Old Mar 10, 2013, 09:05 PM   #61
cheezeit
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Do you think the new GPUs from the newer iMacs wiil work in this system? Trying to see if I should get a newer 6xx card or will the 6970m be the best I can get for the 2011 27"imac
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Old Mar 11, 2013, 05:38 AM   #62
kennyap
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Quote:
Originally Posted by cheezeit View Post
Man I was about to take my friends i7-2600k but ill hold back and hope for a good deal on gpu
The 2600k "unlocked" processor will be a problem, at least it always was prior to October 2012. You'd have to go with the 2600 to ensure compatibility.
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iMac 27" 3.4ghz 680mx 840 Pro SSD 512gb
2012 13" rMBP | 2011 27" Imac 3.5ghz 2gb vram
2011 MBP 17" | 2011 MBA 11" & 13"
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Old Mar 11, 2013, 05:50 AM   #63
kennyap
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Quote:
Originally Posted by cheezeit View Post
Do you think the new GPUs from the newer iMacs wiil work in this system? Trying to see if I should get a newer 6xx card or will the 6970m be the best I can get for the 2011 27"imac
I have no idea really, but you could find out if the two GPU's sockets are compatible/the same. Also search for availability of the replacement 6xx kit for 2012 iMac. These are likely a smaller form factor compared to 2011 iMac GPU kits, which is good if they don't need to be soldered to MB.
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iMac 27" 3.4ghz 680mx 840 Pro SSD 512gb
2012 13" rMBP | 2011 27" Imac 3.5ghz 2gb vram
2011 MBP 17" | 2011 MBA 11" & 13"
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Old Mar 18, 2013, 11:29 AM   #64
Brian Y
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The card will most likely physically fit if it's still an MXM card, however, it's the cooling apparatus that will be the problem.

I have an odd issue with mine. I've upgraded to a 2600 (not k) with 32GB RAM and it works perfectly. Except I cannot install ML with 32GB installed. I have to take out at least one stick so that it's at 24GB, then it will install. Once installed, ML works perfectly with 32GB though :s.
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Old Oct 25, 2013, 07:29 PM   #65
Vitalemazo
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Imac mid 2011 2700k Intel CPU also 3770k won't boot mavrick os

No I have tried the install with a intel 3770 k on my mid 2011 27 inch imac with samsung 830 ssd the screen won't power on!! I'm back to my 2700k and mavrick but when I reboot mavrick running the 2700k CPU the computer gives me error screen and to press any key to reboot so mavrick and 2700k CPU don't work either unless some one figures out what's causing mavrick and the 2700k CPU glitch or which file to edit again the 3770k i7 intel did not even power in the screen so that was a waste of time trying !
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Old Oct 26, 2013, 06:05 AM   #66
freeuser
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and with a3770

would it be a difference to choose a 3770 non K?
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Old Oct 26, 2013, 08:43 AM   #67
Vitalemazo
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Exclamation No none k 2700 or 3770 Intel CPU imac

The CPU without the k still did not work on the 27 inch mid 2011 imac samsung 830 512 ssd 16 gigs 2 gig video card
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Old Oct 27, 2013, 09:23 PM   #68
supermariofan25
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Ever tried Mavericks?

kennyap, have you tried mavericks yet? its free and was released recently
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Old Nov 25, 2013, 12:03 PM   #69
kironkp
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I want to try this

Hi,

I have the exact iMac that you started with and I'm planning on either hiring someone to change the graphics card or do it myself. How advanced is the process? Any suggestions?

Thanks
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Old Dec 10, 2013, 06:43 PM   #70
morpheuzlal
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Does it work on 21,5 inch?

hi!

anyone knows if this GPU would work in a iMac Mid 2011 21.5 inch screen???

Since this soltuion works fine with iMac 27 inc...i was just wondering what are my chances doing the same!
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Old Jul 2, 2014, 02:30 AM   #71
ElPapo
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Quote:
Originally Posted by morpheuzlal View Post
hi!

anyone knows if this GPU would work in a iMac Mid 2011 21.5 inch screen???

Since this soltuion works fine with iMac 27 inc...i was just wondering what are my chances doing the same!
I want to know too if is possible to upgrade to the GPU that Kennyap are using now.

Or, Kennyap, is possible that you can sell your HD 6770M gpu?, the fact is that my imac 21.5" 2.5ghz gpu is not working and here in Mexico is expensive the repair cost and as you know, the people explain as if the costumers know nothing about that.

I apologize for my bad english.
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